Here is the full list of all 23 Devious Dungeon achievements. It takes around 5-6 hours to unlock all of the achievements on Windows.
Resurrect more than 25 times.
Defeat the Dragon Boss.
Complete the game!
Defeat the Stone Golem Boss.
Collect 100 keys.
Defeat the Butcher Boss.
Destroy 500 crates.
Play over 100 levels!
Defeat the Ancient Beholder Boss.
Kill more than 500 enemies.
Defeat the Orc Chief Boss.
Receive a blessing from the Priest.
Spend more than 1500 coins.
Bought a potion.
Read your first tome.
Bought a new weapon.
Destroy an arrow in mid-air.
Bought a ring.
Bought an amulet.
Bought some armor.
Leveled up for the first time!
Completed the training level.
Checked the map screen.